CN101449419A - Power supply device - Google Patents

Power supply device Download PDF

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Publication number
CN101449419A
CN101449419A CNA200780018775XA CN200780018775A CN101449419A CN 101449419 A CN101449419 A CN 101449419A CN A200780018775X A CNA200780018775X A CN A200780018775XA CN 200780018775 A CN200780018775 A CN 200780018775A CN 101449419 A CN101449419 A CN 101449419A
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CN
China
Prior art keywords
power supply
coolant
supply unit
temperature
basket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CNA200780018775XA
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Chinese (zh)
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CN101449419B (en
Inventor
相马贵也
吉田宽史
茂刈武志
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Toyota Motor Corp
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Toyota Motor Corp
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Publication of CN101449419A publication Critical patent/CN101449419A/en
Application granted granted Critical
Publication of CN101449419B publication Critical patent/CN101449419B/en
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
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    • H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
    • H01M10/667—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an electronic component, e.g. a CPU, an inverter or a capacitor
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    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H—ELECTRICITY
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    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
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    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60K2001/005—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric storage means
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    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
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    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells

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Abstract

The present invention provides a cooling device (40) with a cooling fan (F10) arranged on the side of an electrical storage device (C1), an exhaust port (44) arranged on the side of a battery (B), and a cooling wind flow channel for permitting cooling wind from the cooling fan (F10) to flow. As for the electrical storage device (C1) and the battery (B), a space inside the case (50) communicates with a space inside a case (52) by an opening section (46). Cooling wind supplied from the air blowing fan (F10) circulates through the space formed inside the case (50) of the electrical storage device (C1) and cools capacitor cells (CC1-CC5). When the cooling wind passed through the electrical storage device (C1) is introduced into a case (52) of the battery (B) through an opening section (46), the cooling wind cools the battery cells (BC1-BC6) by circulating in a space between the upper surface of the battery cells (BC1-BC6) and the case (52) and spaces between the battery cells. Then, the cooling wind is discharged to the external of the case (52) through the exhaust port (44).

Description

Supply unit
Technical field
The present invention relates to supply unit, particularly can be from the supply unit of secondary cell and capacitor supply capability.
Background technology
Recently, as the automobile of environment-friendly type, hybrid vehicle (Hybrid Vehicle) and electric automobile (Electric Vehicle) come into one's own.Hybrid vehicle is to be the automobile of power source with DC power supply, inverter, the motor that driven by inverter also except that engine in the past.That is, this automobile obtains power source by driving engine, and will make the motor rotation by the alternating voltage after this conversion from the converting direct-current voltage into alternating-current voltage of DC power supply by inverter, obtains power source thus.
In addition, electric automobile is to be the automobile of power source with DC power supply, inverter, the motor that driven by inverter.
In such hybrid vehicle and electric automobile, in order vehicle suitably to be travelled improve simultaneously energy efficiency, require to supply with the corresponding electric power of load with this motor, recuperated energy efficiently when regeneration.
For the such requirement of correspondence, for example open in the 2003-274565 communique the spy, disclose lift-launch and be connected in parallel to the hybrid vehicle of the electrical storage device of secondary cell and capacitor as the electric power supply source of motor.
According to this communique, the Reserve Power Division forms the power supply that is connected in parallel to secondary cell and double charge layer capacitor.When controller was constant-speed traveling etc. at the less state of the load change of vehicle, the power by engine generated electricity generator work, by this electric power that sends is charged in the Reserve Power Division.On the other hand, in the time of the driving of the vehicle traction that controller carries out at the power by drive motor, the subsidiary engine of vehicle etc., make the Reserve Power Division discharge.
But, in carrying the vehicle of secondary cell as the electric power supply source of motor, usually, in order to suppress rising, be equipped with cooling device (for example open flat 11-180168 communique and the spy opens the 2001-6651 communique) with reference to the spy by the battery temperature that when discharging and recharging, causes at the inner heat that produces of secondary cell.
Thus, in taking in the battery case of a plurality of battery units, supply with cooling air by driving cooling fan.And the cooling air of being supplied with circulates in the gap that is arranged between the battery unit, thus battery unit is cooled off.
In possess secondary cell and the capacitor vehicle as the electric power supply source of motor as above-mentioned spy opens the 2003-274565 communique, same with secondary cell, capacitor also produces inner heat owing to discharging and recharging.Therefore, capacitor is also needed cooling device.
Here, in secondary cell and capacitor, owing to reasons such as having or not of the size of internal resistance, chemical reaction, the caloric value when discharging and recharging produces different.Therefore, work out secondary cell and capacitor are provided with cooling device separately, control the structure of the cooling air quantity of supplying with from cooling fan based on temperature separately individually.
But such structure need be carried a plurality of cooling fans, and cooling device is whole to maximize so can make, and is unsuitable for sometimes carrying in the vehicle in the restriction strictness of mounting space.In addition, because a plurality of cooling fans are carried out the control of cooling air quantity respectively, so produced the complicated problem of controlling.
And then secondary cell and capacitor have the temperature range that is suitable for keeping the ability that can discharge and recharge, so if their temperature can be adjusted in this temperature range, then can expect the further raising of the correspondence supplied with respect to the electric power of motor.
Therefore, the present invention carries out in order to solve this problem, and its purpose is to provide a kind of supply unit that is miniaturized and possesses the cooling device of simple structure.
In addition, other purpose of the present invention be to provide a kind of can be with the supply unit of simple structural adjustment temperature.
Summary of the invention
According to the present invention, supply unit possesses: the 1st power supply, and it is configured to the load supply capability, and is relatively large by the caloric value that discharges and recharges generation that accompanies with the driving of load; The 2nd power supply, it is connected with the 1st power supply in parallel with respect to load, and is relative less by the caloric value that discharges and recharges generation that accompanies with the driving of load; And cooling device, it is used to cool off the 1st power supply and the 2nd power supply.Cooling device comprises: the coolant supply unit, and it is supplied with coolant to the upstream portion of described the 2nd power supply; With the coolant runner, it is formed the coolant of being supplied with by the coolant supply unit is circulated to the 1st power supply via the 2nd power supply.
According to above-mentioned supply unit, circulate to the 1st power supply of high temperature side via the 2nd power supply of low temperature side by making coolant, can use public cooling device to cool off the 1st power supply and the 2nd power supply.Its result can be made as compact structure with supply unit integral body.
Preferably, the 1st power supply comprises: the 1st substrate, and it is equipped with a plurality of the 1st power subsystems on the 1st first type surface; With the 1st basket, it takes in the 1st substrate, is provided with to be used for the coolant that will circulate at the coolant runner to outside the 1st access of discharging of described supply unit.The 2nd power supply comprises: the 2nd substrate, and it is equipped with a plurality of the 2nd power subsystems on the 1st first type surface; With the 2nd basket, it takes in the 2nd substrate, is provided with the 2nd access that is used for coolant is imported from the coolant supply unit coolant runner.The 1st access and the 2nd access are linking to each other by the mode that the 3rd access is communicated with.The 2nd basket is configured to, and contacts with the 1st basket carrying out heat conducting mode with the 2nd first type surface of the 1st substrate.
According to above-mentioned supply unit, by coolant is circulated to the 1st power supply of high temperature side via the 2nd power supply of low temperature side, and between the basket of the 1st power supply and the 2nd power supply, carry out heat exchange, can be with publicization of cooling device, and can improve cooling effectiveness.
Preferably, the 3rd access comprises a plurality of ventilation holes on the composition surface that is formed on the 1st basket and the 2nd basket.A plurality of ventilation holes are formed, along with and the coolant supply unit between distance elongated, it is big that aperture area becomes.
According to above-mentioned supply unit, the quantity delivered of having eliminated the coolant of supplying with to the 1st power supply becomes inhomogeneous in basket inside.Therefore, the 1st power supply can be cooled off equably, cooling effectiveness can be further improved.
According to other technical scheme of the present invention, supply unit possesses: the 1st power supply, and it is configured to the load supply capability, and is relatively large by the caloric value that discharges and recharges generation that accompanies with the driving of load; The 2nd power supply, it is connected with the 1st power supply in parallel with respect to load, and is relative less by the caloric value that discharges and recharges generation that accompanies with the driving of load; And temperature adjustment device, it carries out the temperature adjustment of the 1st power supply and the 2nd power supply.Temperature adjustment device comprises: the coolant supply unit, and it is supplied with coolant to the upstream portion of the 1st power supply; With the coolant runner, it is formed the coolant of supplying with from the coolant supply unit is circulated to the 2nd power supply via the 1st power supply.
According to above-mentioned supply unit, under low temperature environment, can use the heat energy that reclaims from the 1st power supply of high temperature side that the 2nd power supply of low temperature side is heated up, so can suppress the ability drop that can discharge and recharge of electric power supply source.
Preferably, the 1st power supply comprises: the 1st substrate, and it is equipped with a plurality of the 1st power subsystems on the 1st first type surface; With the 1st basket, it takes in the 1st substrate, is provided with the 1st access that is used for coolant is imported from the coolant supply unit coolant runner.The 2nd power supply comprises: the 2nd substrate, and it is equipped with a plurality of the 2nd power subsystems on the 1st first type surface; With the 2nd basket, it takes in the 2nd substrate, is provided with to be used for the coolant that will circulate at the coolant runner to outside the 2nd access of discharging of supply unit.The 1st access and the 2nd access are linking to each other by the mode that the 3rd access is communicated with.The 1st basket is configured to, and contacts with the 2nd basket carrying out heat conducting mode with the 2nd first type surface of the 2nd substrate.
According to above-mentioned supply unit, circulate to the 2nd power supply of low temperature side via the 1st power supply of high temperature side by making coolant, and between the basket of the 1st power supply and the 2nd power supply, carry out heat exchange, the 2nd power supply is heated up.
Preferably, the 3rd access comprises a plurality of ventilation holes on the composition surface that is formed on the 1st basket and the 2nd basket.A plurality of ventilation holes are formed, along with and the coolant supply unit between distance elongated, it is big that aperture area becomes.
According to above-mentioned supply unit, the quantity delivered of having eliminated the coolant of supplying with to the 2nd power supply becomes inhomogeneous in basket inside.Therefore, the 2nd power supply is heated up, can further improve intensification efficient.
According to other technical scheme of the present invention, supply unit possesses: the 1st power supply, and it is configured to the load supply capability; The 2nd power supply, it is connected with the 1st power supply in parallel with respect to load; And temperature adjustment device, it carries out the temperature adjustment of the 1st power supply and the 2nd power supply.Temperature adjustment device comprises: the coolant runner, and it is formed the 1st power supply and the 2nd power supply and in series disposes along the circulating direction of coolant; The 1st coolant supply unit, it is set at a square end of the 2nd mains side of coolant runner, supplies with described coolant to the upstream portion of the 2nd power supply; The 2nd coolant supply unit, it is set at another square end of the 1st mains side of coolant runner, supplies with coolant to the upstream portion of the 1st power supply; And selected cell, the temperature of its atmosphere temperature based on supply unit, power supply and the temperature of electrical storage device optionally make any one party work in the 1st coolant supply unit and the 2nd coolant supply unit.
According to above-mentioned supply unit, can use that the coolant that jointly circulates is excellent selectively to be cooled off and heat up in the 1st power supply and the 2nd power supply, so can construct the temperature adjustment device of the 1st power supply and the 2nd power supply simply.
Preferably, selected cell, when the atmosphere temperature of supply unit is higher than predetermined threshold value, corresponding with the situation that the temperature of the 1st power supply is higher than the temperature of the 2nd power supply, select the 1st coolant supply unit, on the other hand, corresponding with the situation that the temperature of the 2nd power supply is higher than the temperature of the 1st power supply, select the 2nd coolant supply unit.
According to above-mentioned supply unit, when supply unit is normal temperature, select the coolant runner from low temperature side to the mode of high temperature side circulation with coolant, can use public coolant to cool off the 1st power supply and the 2nd power supply thus.
Preferably, selected cell, at the atmosphere temperature of supply unit is that predetermined threshold value is when following, corresponding with the situation that the temperature of the 1st power supply is higher than the temperature of the 2nd power supply, select the 2nd coolant supply unit, on the other hand, corresponding with the situation that the temperature of the 2nd power supply is higher than the temperature of the 1st power supply, select the 1st coolant supply unit.
According to above-mentioned supply unit, when supply unit is low temperature, select the coolant runner from high temperature side to the mode of low temperature side circulation with coolant, can use the heat energy that reclaims from a side that the opposing party is heated up thus.
Preferably, supply unit also possesses control unit, the quantity delivered to the coolant runner of control coolant.Control unit, when the temperature of the 1st power supply is higher than the temperature of the 2nd power supply, determine the quantity delivered of coolant based on the temperature of the 1st power supply, and, when the temperature of the 2nd power supply is higher than the temperature of the 1st power supply, determine the quantity delivered of coolant based on the temperature of the 2nd power supply.
According to above-mentioned supply unit, by determining the quantity delivered of coolant based on the temperature of high temperature side, publicly also can carry out the temperature adjustment effectively even coolant is made as.
Preferably, the 1st power supply is a secondary cell, and the 2nd power supply is a capacitor.
According to above-mentioned supply unit, suppressed the decline of the ability that can discharge and recharge of secondary cell and capacitor, so can guarantee to merge the driving response of the load when using these two kinds of power supplys.
Preferably, load is the motor that vehicle traction is used; Supply unit is carried on vehicle as the electric power supply source of motor.
According to above-mentioned supply unit, can realize the miniaturization of supply unit, so be suitable for carrying in the vehicle of the restriction strictness of mounting space.
According to the present invention, can realize being miniaturized and possessing the supply unit of the cooling device of simple structure.
In addition, can constitute the temperature adjustment of a plurality of power supplys of supply unit with simple structure.
Description of drawings
Fig. 1 is the schematic block diagram of motor drive of having used the supply unit of embodiments of the present invention 1.
Fig. 2 is the summary construction diagram of the cooling device among Fig. 1.
Fig. 3 is the time diagram of the power output structure when being used to illustrate the acceleration of hybrid vehicle.
Fig. 4 is the overall structure figure of cooling device of the modification of embodiments of the present invention 1.
Fig. 5 is the figure of structure on the composition surface of presentation graphs 4.
Fig. 6 is the overall structure figure of the cooling device of embodiments of the present invention 2.
Fig. 7 is the overall structure figure of the cooling device of embodiments of the present invention 3.
Fig. 8 is the flow chart of drive controlling that is used for the cooling device of key diagram 7.
Fig. 9 is the flow chart of drive controlling that is used for the cooling device of key diagram 7.
Embodiment
Below, with reference to accompanying drawing on one side embodiments of the present invention be described in detail on one side.In addition, give same-sign, do not repeat explanation part identical or suitable among the figure.
[execution mode 1]
Fig. 1 is the schematic block diagram of motor drive of having used the supply unit of embodiments of the present invention 1.
With reference to Fig. 1, motor drive 100 possesses: battery B, boost converter 12, electrical storage device C1, capacitor C2, inverter 14,31, voltage sensor 10,11,13, current sensor 24,28, temperature sensor 20～22, cooling device 40, system relay SRB1～SRB3, SRC1, SRC2, resistance R 1 and control device 30.
Engine ENG is that the source produces actuating force with the burning capacity of fuel such as gasoline.The actuating force that engine ENG produces is divided into 2 paths by power division mechanism PSD shown in the thick oblique line of Fig. 1.One side is the path that is delivered to the driving shaft of drive wheels via not shown reductor.The opposing party is the path of transmitting to motor generator MG1.
Motor generator MG1, MG2 can also can work as motor as generator, but as follows, motor generator MG1 is mainly as generator work, and motor generator MG2 is mainly as motor work.
In detail, motor generator MG1 is the three-phase alternating current rotating machinery, when quickening, uses as the starter of the ENG that pilots engine.At this moment, motor generator MG1 accepts to drive as motor from the supply of the electric power of battery B and/or electrical storage device C1, makes engine ENG rotation and starts.
And then after the starting of engine ENG, motor generator MG1 rotates by the actuating force of the engine ENG that passes over via power division mechanism PSD, thus generating.
The electric power that motor generator MG1 sends separates use according to the running status of vehicle, the electric power storage energy of electrical storage device C1 and the charge volume of battery B.For example, when cruising, when promptly quickening, the electric power former state that motor generator MG1 sends is as the electric power that motor generator MG2 is driven.On the other hand, when the electric power storage energy of the charge volume of battery B or electrical storage device C1 was lower than predetermined value, the electric power that motor generator MG1 sends converted direct current power by inverter 14 to from alternating electromotive force, thereby is stored among battery B or the electrical storage device C1.
Motor generator MG2 is the three-phase alternating current rotating machinery, is driven by at least any one party that is stored in the electric power that electric power among battery B and the electrical storage device C1 and motor generator MG1 send.The actuating force of motor generator MG2 is passed to the driving shaft of wheel via reductor.Thus, motor generator MG2 assisted engine ENG makes vehicle ', perhaps only makes vehicle ' by oneself actuating force.
In addition, when the regenerative braking of vehicle, motor generator MG2, works as generator by the wheel rotation via reductor.At this moment, the regenerated electric power that is sent by motor generator MG2 charges to battery B and electrical storage device C1 via inverter 31.
Battery B is made of secondary cells such as Ni-MH battery or lithium ion batteries.In addition, battery B also can be a fuel cell.Voltage sensor 10 detects from the direct voltage Vb of battery B output, should export to control device 30 by detected direct voltage Vb.The temperature of temperature sensor 20 detection battery B (below, be also referred to as battery temperature) Tb, should export to control device 30 by detected battery temperature Tb.
System relay SRB1 and resistance R 1 are connected in series between the positive pole and boost converter 12 of battery B.System relay SRB2 and system relay SRB1 and resistance R 1 are connected in parallel between the positive pole and boost converter 12 of battery B.System relay SRB is connected between the negative pole and boost converter 12 of battery B.
System relay SRB1～SRB3 is switched on/cuts off by the signal SEB from control device 30.More particularly, system relay SRB1～SRB3 is switched on by other signal of H (logic high) the level SEB from control device 30, is cut off by other signal of L (logic low) the level SEB from control device 30.
Boost converter 12 will boost from the direct voltage Vb that battery B supplies with and supply with to capacitor C2 for having arbitrarily other booster voltage of level.More particularly, boost converter 12 is supplied with direct voltage Vb after boosting according to signal PWMC to capacitor C2 when the signal PWMC that accepts from control device 30.In addition, boost converter 12 when the signal PWMC that accepts from control device 30, the direct voltage step-down that will supply with from inverter 14 and/or inverter 31 via capacitor C2 and battery B is charged.
Electrical storage device C1 is connected in parallel with respect to power line PL1 and ground wire PL2 and battery B.Electrical storage device C1 comprises a plurality of capacitors that are connected in series.A plurality of capacitors are made of for example double charge layer capacitor.The voltage at voltage sensor 11 detection electrical storage device C1 two ends (below, be also referred to as voltage between terminals) Vc, to control device 30 outputs.The temperature of temperature sensor 21 detection electrical storage device C1 (below, be also referred to as the capacitor temperature) Tc, should export to control device 30 by detected capacitor temperature T c.
System relay SRC1 is connected between the positive electrode of power line PL1 and electrical storage device C1.System relay SRC2 is connected between the negative electrode of ground wire PL2 and electrical storage device C1.System relay SRC1, SRC2 are switched on/cut off by the signal SEC from control device 30.More particularly, system relay SRC1, SRC2 are switched on by other signal of the H level SEC from control device 30, are cut off by other signal of the L level SEC from control device 30.
The direct voltage smoothing that capacitor C2 will be boosted by boost converter 12 is supplied with the direct voltage after this smoothing to inverter 14,31.Voltage sensor 13 detects the voltage Vm (input voltage that is equivalent to inverter 14,31) at capacitor C2 two ends, should export to control device 30 by detected voltage Vm.
Inverter 14 via capacitor C2 when boost converter 12 or electrical storage device C1 supply with direct voltage, based on converting direct voltage to 3 cross streams voltages, drive motor generator MG1 from the control signal PWMI1 of control device 30.Thus, motor generator MG1 is driven, to produce the torque by torque instruction value TR1 appointment.
In addition, inverter 14 is when the regenerative braking of the hybrid vehicle that is equipped with motor drive 100, convert the alternating voltage that motor generator MG1 sends to direct voltage based on control signal PWMI1, the direct voltage after this conversion is supplied with to electrical storage device C1 or boost converter 12 via capacitor C2 from control device 30.In addition, here said regenerative braking, comprise: though thereby when the driver who drives hybrid vehicle carries out the foot brake operation, be accompanied by regenerative electric power on one side and the braking that produces and do not carry out the foot brake operation and will speed up pedal under steam and cut off the situation that regenerative electric power makes vehicle deceleration (perhaps make and quicken termination) of carrying out.
Inverter 31 via capacitor C2 when boost converter 12 or electrical storage device C1 supply with direct voltage, based on converting direct-current voltage into alternating-current voltage, driving motor generator MG2 from the control signal PWMI2 of control device 30.Thus, motor generator MG2 is driven, to produce the torque by torque instruction value TR2 appointment.
In addition, inverter 31 is when the regenerative braking of the hybrid vehicle that is equipped with motor drive 100, convert the alternating voltage that motor generator MG2 sends to direct voltage based on control signal PWMI2, the direct voltage after this conversion is supplied with to electrical storage device C1 or boost converter 12 via capacitor C2 from control device 30.
Current sensor 24 detects the motor current MCRT1 that flows in motor generator MG1, should export to control device 30 by detected motor current MCRT1.Current sensor 28 detects the motor current MCRT2 that flows in motor generator MG2, should export to control device 30 by detected motor current MCRT2.
The never illustrated external ECU of control device 30 (Electronic Control Unit) is accepted torque instruction value TR1, TR2 and motor speed MRN1, MEN2, and accepts the signal IG from ignition key (not shown).In addition, signal IG comprises H rank or L rank.
And then, the direct voltage Vb that control device 30 is accepted from voltage sensor 10, acceptance is from the voltage between terminals Vc of the electrical storage device C1 of voltage sensor 11, acceptance is from the voltage Vm of voltage sensor 13, acceptance is accepted the motor current MCRT2 from current sensor 28 from the motor current MCRT1 of current sensor 24.
Control device 30, input voltage Vm, torque instruction value TR1 and motor current MCRT1 based on inverter 14, when inverter 14 drives motor generator MG1, generate the signal PWMI1 that is used for the IGBT element (not shown) of inverter 14 is carried out switch control, with the signal PWMI1 of this generation to inverter 14 outputs.
In addition, control device 30, input voltage Vm, torque instruction value TR2 and motor current MCRT2 based on inverter 31, when inverter 31 drives motor generator MG2, generate the signal PWMI2 that is used for the IGBT element (not shown) of inverter 31 is carried out switch control, with the signal PWMI2 of this generation to inverter 31 outputs.
And then, control device 30, when inverter 14 drives motor generator MG1, based on the direct voltage Vb of battery B, input voltage Vm, torque instruction value TR1 and the motor speed MRN1 of inverter 14, generation is used for the signal PWMC that the IGBT element (not shown) to boost converter 12 carries out switch control, with the signal PWMC of this generation to boost converter 12 outputs.
In addition, control device 30, when inverter 31 drives motor generator MG2, based on the direct voltage Vb of battery B, input voltage Vm, torque instruction value TR2 and the motor speed MRN2 of inverter 31, generation is used for the signal PWMC that the IGBT element (not shown) to boost converter 12 carries out switch control, with the signal PWMC of this generation to boost converter 12 outputs.
And then, control device 30, when the regenerative braking of the hybrid vehicle that is equipped with motor drive 100, input voltage Vm, torque instruction value TR2 and motor current MCRT2 based on inverter 31, generation is used for the alternating voltage that motor generator MG2 sends is converted to the signal PWMI2 of direct voltage, with the signal PWMI2 of this generation to inverter 31 outputs.
As mentioned above, in motor drive 100 of the present invention, needed electric power not only uses the electric power that is stored among the battery B when driving motor generator MG1, MG2 with traction mode, also uses the electric power that is stored among the electrical storage device C1.In addition, the electric power that will send when driving motor generator MG1, MG2 with regeneration mode is to battery B and electrical storage device C1 charging.Especially, by in the capacitor that constitutes electrical storage device C1, adopting jumbo double charge layer capacitor, can be rapidly to motor generator MG1, MG2 supply capability, the response in the time of can improving motor driven.Its result can guarantee the rideability of vehicle.
Here, when carrying electrical storage device C1 in motor drive 100, B is same with battery, electrical storage device C1 has also been produced the needs that are provided for suppressing the cooling device that temperature that the inner heat when discharging and recharging causes rises.
Because at electrical storage device C1 and battery B, it is different to be accompanied by the caloric value that discharges and recharges action, if the structure of controlling the quantity delivered of coolant respectively so be arranged to that cooling device with battery B is provided with cooling device to electrical storage device C1 respectively, then can be simultaneously cool batteries B and electrical storage device C1 reliably.
On the other hand, by battery B and electrical storage device C1 are provided with cooling device respectively, produced that motor drive 100 wholely maximizes, the complicated problem of control of cooling device in addition.
Therefore, supply unit of the present invention is made as and uses public cooling device 40 cool batteries B and the structure of electrical storage device C1.Below, the structure of cooling device 40 is described.
Fig. 2 is the overall structure figure of the cooling device of embodiments of the present invention 1.
With reference to Fig. 2, cooling device 40 possesses: be arranged on the cooling fan F10 of electrical storage device C1 side, be arranged on the exhaust outlet 44 of battery B side and be used to make the cooling air runner of the cooling air circulation of obtaining from cooling fan F10.
In detail, electrical storage device C1 is an outer package member with basket 50, forms the structure of taking in a plurality of capacitor unit CC1～CC5s of lift-launch on the bottom surface of basket 50.On a plurality of capacitor unit CC1～CC5 and between the basket 50 and between the stacked capacitor unit, be formed with gap as the cooling air runner.This gap is connected with gap in the basket 52 that is formed on battery B in the downstream with respect to capacitor unit CC1～CC5 as described later.
Battery B is an outer package member with basket 52, and the structure of substrate is taken in the inside that is formed on basket 52, and wherein said substrate is equipped with stacked a plurality of battery unit BC1～BC6.On battery unit BC1～BC6 and between the basket 52, be equipped with between the back side of substrate of battery unit BC1～BC6 and the basket 52 and between the stacked battery unit, be formed with gap as the cooling air runner.
And battery B and electrical storage device C1 are configured to basket 52 is layered in the top of basket 50 as described in Figure 2.At this moment, on the contact-making surface of basket 50 and basket 52, be provided with peristome 46, the gap of basket 50 inside can be communicated with the gap of basket 52 inside.In addition, peristome 46 is set at the downstream of cooling air runner with respect to capacitor unit CC1～CC5.
Cooling fan F10 is configured on the side side of basket 50 of electrical storage device C1.At the upstream side of cooling fan F10, be provided with the air intake duct (not shown) that is used to obtain cooling air.
Exhaust outlet 44 is configured on the side side of basket 52 of battery B.In the downstream of exhaust outlet 44, be provided with and be used for the blast pipe (not shown) that the cooling air that will circulate at the cooling air runner is discharged to the outside.
In the superincumbent structure, the cooling air that obtains from cooling fan F10 is the direction circulation shown in the arrow along the figure.Specifically, cooling air begins to circulate in the gap of basket 50 inside that are formed on electrical storage device C1 most.Thus, with capacitor unit CC1～CC5 cooling.Next, passed through the cooling air of capacitor unit CC1～CC5 in basket 52 inside of peristome 46 by being imported into battery B.The cooling air that is imported into basket 52 inside circulates in the back side of the substrate that has carried battery unit BC1～BC6 and the gap between the basket 52 shown in arrow among the figure, then, flows into the gap between the top and basket 52 of battery unit BC1～BC6.Thus, cooling air on battery unit BC1～BC6 and between the basket 52 the gap and the gap between the battery unit in circulate, with battery unit BC1～BC6 cooling.Cooling air after cool batteries unit B C1～BC6 is discharged to the outside of basket 52 via exhaust outlet 44.
According to the cooling device 40 of Fig. 2, use cooling electrical storage device C1 cooling air afterwards that battery B is cooled off.This is as described below, and based on such situation: with respect to battery B, the caloric value that discharges and recharges generation by being accompanied by load driving of electrical storage device C1 is less relatively, and is therefore, lower with respect to battery B temperature.
In detail, in the motor drive 100 of Fig. 1, the double charge layer capacitor that constitutes electrical storage device C1 is compared with the secondary cell of formation battery B, can carry out discharging and recharging rapidly.Therefore, need at short notice under the situation of bigger output when the acceleration of hybrid vehicle, during engine start etc., mainly undertaken supplying with the response in the time of to guarantee motor driven thus to the electric power of motor generator MG1, MG2 by electrical storage device C1.
Fig. 3 is the time diagram of the power output structure when being used to illustrate the acceleration of hybrid vehicle.
With reference to Fig. 3, with moment t0 is starting point, accelerator is set as standard-sized sheet (accelerator opening is 100%), and is corresponding, and the power output of vehicle integral body (gross power) adds the power that is produced by motor generator MG2 and increases on the power output (engine output) that is produced by engine.
At this moment, at motor generator MG2, be that the source produces power output with electric energy from battery B and electrical storage device C1 supply.In addition, the electric energy of being supplied with forms such structure: begin most to supply with power output from electrical storage device C1 that can sudden discharge, follow this, supply with power output from battery B.In addition, corresponding from the power output (being equivalent to the hatched example areas among the figure) of electrical storage device C1 with the voltage difference of the voltage between terminals Vc of electrical storage device C1 and the system voltage of motor drive 100 (the input voltage Vm that is equivalent to inverter 14,31).
Thus, when standard-sized sheet quickened, owing to supply with from the electric power rapidly of electrical storage device C1, the power output of motor generator MG2 sharply increased, so the power output of vehicle integral body is increased.Thus, can realize level and smooth and the good accelerating performance of response.
Like this, electrical storage device C1 plays the auxiliary effect of battery B, so the time of switching on when motor generator MG2 supply capability is with respect to shortening relatively conduction time of battery B.Therefore, the caloric value of electrical storage device C1 inside is lacked than the caloric value of battery B inside, and electrical storage device C1 is generally low than battery B temperature.
Therefore, the supply unit of present embodiment adopts cooling construction shown in Figure 2 in the cooling device 40 of Fig. 1, forms thus by public cooling air cooling battery B and the structure of electrical storage device C1.
That is, cooling device 40 is characterised in that, in the coolant runner, the electrical storage device C1 of low temperature side is configured in the upstream side of the battery B of high temperature side.By carrying out this configuration, cooling air is circulated to battery B via electrical storage device C1, can use public cooling air cooling battery B and electrical storage device C1 thus.Its result, the situation with respect to battery B and electrical storage device C1 being provided with cooling device respectively can make the motor drive integral miniaturization.
And the air output by the cooling air determining based on the temperature of the battery B of high temperature side to supply with to the cooling air runner from cooling fan F10 can cool off both sides reliably.
Specifically, control device 30 is determined the air output V10 of cooling fan F10 from the battery temperature Tb of temperature sensor 20, and generates the signal V10 of this air output V10 after determining of indication and export to cooling fan F10.
Thus, at cooling fan F10, determine the control duty command value of inverter, wherein said inverter drives inner fan motor in the mode that becomes by the air output V10 of signal V10 appointment.Then, the control duty command value after determining based on this, inverter will convert alternating electromotive force to from the direct current power of subsidiary engine battery, the drive fan motor.Its result, the cooling air of the air output V10 that obtains, supplies with to the upstream side of electrical storage device C1 from cooling fan F10 begins to cool down the electrical storage device C1 of low temperature side, the battery B of cooling down high-temperature side then most.
And then the cooling device 40 of Fig. 2 is configured to basket 52 is layered in the top of basket 50 with electrical storage device C1 and battery B, thus can more effective cool batteries B.
In detail, the heat that produces in the inside of battery unit BC1～BC6 is via the substrate that has carried these battery units and be formed on the gap on this substrate back and transport to the basket 52 of electrical storage device C1.That is, electrical storage device C1 is in low temperature with respect to battery B, so battery unit BC1～BC6 not only is cooled by the heat exchange with cooling air, and is cooled by the heat exchange with the basket 52 of electrical storage device C1.Its result, effectively cool batteries B.
In addition, the heat that is transported to the basket 50 of electrical storage device C1 is absorbed by the cooling air at basket 50 internal circulations, so can not be delivered to capacitor unit CC1～CC5.
[modification]
Fig. 4 is the overall structure figure of cooling device of the modification of embodiments of the present invention 1.In addition, the cooling device 40A of Fig. 4 and the cooling device 40 of Fig. 2 compare, and have changed the structure of the part that the basket 50 of electrical storage device C1 contacts with the basket 52 of battery B.Therefore, do not repeat the part with Fig. 2 repetition is elaborated.
With reference to Fig. 4, battery B and electrical storage device C1 are configured to basket 52 is layered in the top of basket 50.And the side, top of basket 50 engages by composition surface 54 with the side, below of basket 52.
Composition surface 54 has a plurality of peristomes 56.By a plurality of peristomes 56, the gap of basket 50 inside is connected with the gap of basket 52 inside.
In the superincumbent structure, the cooling air that obtains from cooling fan F10 is the direction circulation shown in the arrow along the figure.Specifically, cooling air begins to circulate in the gap of basket 50 inside that are formed on electrical storage device C1 most.Thus, with capacitor unit CC1～CC5 cooling.Next, passed through the cooling air of capacitor unit CC1～CC5 in basket 52 inside of a plurality of peristomes 56 by being imported into battery B.The cooling air that is imported into basket 52 inside circulates in gap between battery unit BC1～BC6 and basket 52 and the gap between the battery unit shown in arrow among the figure, with battery unit BC1～BC6 cooling.Cooling air after cool batteries unit B C1～BC6 is discharged to the outside of basket 52 via exhaust outlet 44.
That is, at the cooling device 40A of Fig. 4, a plurality of peristomes 56 that are arranged on the composition surface 54 import the ventilation hole of battery B inside with the cooling air at electrical storage device C1 internal circulation and work as being used for.
Here, at a plurality of peristomes 56, in the peristome that is positioned at upstream side with respect to the cooling air runner and the peristome that is positioned at the downstream, the flow channel length difference of counting from the supply position (being equivalent to cooling fan F10) of cooling air.Therefore, be accompanied by the pressure loss difference of flow passage resistance force of waterproof at this two place, the inhomogeneous of quantitative change of blowing.Thus, the battery B in the supply of the cooling air of accepting to have passed through peristome 56 is difficult to cool batteries unit B C1～BC6 equably.
Therefore, the structure of the cooling device 40A in this modification is made as: will be provided in a plurality of peristomes 56 on the composition surface 54 form aperture area along the flow direction of cooling air and difference.
Specifically, as shown in Figure 5, form peristome 56 along with allocation position is positioned at the downstream with respect to the cooling air runner, it is big that aperture area becomes.In the example of Fig. 5, form: be positioned at the aperture area minimum of the peristome 56a of the position nearest, and be positioned at aperture area maximum apart from the peristome 56e of cooling fan F10 position farthest apart from cooling fan F10.In addition, the aperture area for peristome 56a～56e is set at: the pressure loss difference that is caused by the long difference of the runner of the cooling air runner from cooling fan F10 to each peristome disappears.
Therefore, according to the cooling device 40A in this modification, can make cooling air quantity become even to each battery unit.Its result, cool batteries B can further improve cooling effectiveness equably.
As mentioned above, according to the embodiment of the present invention 1, can use battery and the electrical storage device of public cooling device cooling, so motor drive integral body can be made as compact structure as the electric power supply source of motor.
In addition, in the present embodiment, be illustrated for the structure that electrical storage device is configured in the top of battery, but, might not want the position of limit battery and electrical storage device to concern as long as electrical storage device is configured in the upstream side of battery with respect to the coolant runner.Therefore, also can be made as cell arrangement above electrical storage device, perhaps with electrical storage device and the battery structure of configuration side by side in the horizontal direction.
[execution mode 2]
As explanation in the execution mode 1 formerly, battery B by laminated configuration high temperature above the electrical storage device C1 of low temperature, and form cooling air runner from the electrical storage device C1 of low temperature to the mode of the battery B of high temperature circulation with cooling air, can use public cooling air to cool off electrical storage device C1 and battery B both sides effectively.
On the other hand, under low temperature environment,, can produce the situation of the ability drop that can discharge and recharge of electrical storage device C1 because the temperature of electrical storage device C1 descends.At this moment, can not carry out supplying with, so the accelerating performance of motor vehicle driven by mixed power is worsened from the electric power rapidly of electrical storage device C1.
Therefore, under low temperature environment,,, electrical storage device C1 is heated up and the decline of inhibition charge-discharge characteristic by in the cooling device 40 of Fig. 1, adopting cooling construction shown in Figure 6 for example in the place of cold.
Fig. 6 is the overall structure figure of the cooling device of embodiments of the present invention 2.
With reference to Fig. 6, the cooling device 40 of cooling device 40B and Fig. 2 compares, and has changed the position relation up and down in the configuration of battery B and electrical storage device C1.That is, be configured to the basket 50 of electrical storage device C1 is layered in the top of the basket 52 of battery B.
Battery B is an outer package member with basket 52, forms the structure of taking in a plurality of battery unit BC1～BC6s of lift-launch on the bottom surface of basket 52.On battery unit BC1～BC6 and between the basket 52 and between the stacked battery unit, be formed with gap as the cooling air runner.This gap is connected with gap on the basket 50 that is formed on electrical storage device C1 in the downstream with respect to battery unit BC1～BC6.
Electrical storage device C1 is an outer package member with basket 50, is formed on the structure that substrate is taken in basket 50 inside, and wherein said substrate is equipped with stacked a plurality of capacitor unit CC1～CC5.On capacitor unit CC1～CC5 and between the basket 50, carried between the back side of substrate of capacitor unit CC1～CC5 and the basket 50 and between the stacked capacitor unit, be formed with gap as the cooling air runner.
And battery B and electrical storage device C1 are configured to basket 50 is layered in the top of basket 52 as shown in Figure 6.At this moment, on the contact-making surface of basket 52 and basket 50, be provided with peristome 46, the gap of basket 52 inside can be communicated with the gap of basket 50 inside.In addition, peristome 46 is set at the downstream of cooling air runner with respect to battery unit BC1～BC6.
Cooling fan F10 is configured on the side side of basket 52 of battery B.At the upstream side of cooling fan F10, be provided with the air intake duct (not shown) that is used to obtain cooling air.
Exhaust outlet 44 is configured on the side side of basket 50 of electrical storage device C1.In the downstream of exhaust outlet 44, be provided with and be used for the blast pipe (not shown) that the cooling air that will circulate at the cooling air runner is discharged to the outside.
In the superincumbent structure, the direction circulation shown in the arrow of the cooling air that obtains from cooling fan F10 along the figure.Specifically, cooling air begins to circulate in the gap of basket 52 inside that are formed on battery B most.Next, the cooling air that has passed through battery unit BC1～BC6 is imported into basket 50 inside of electrical storage device C1 by peristome 46.The cooling air that is imported into basket 50 inside circulates in the back side of the substrate that has carried capacitor unit CC1～CC5 and the gap between the basket 50 shown in the arrow among the figure, then, flows into the gap between the top and basket 50 of capacitor unit CC1～CC5.Thus, cooling air on capacitor unit CC1～CC5 and between the basket 50 the gap and the gap between the capacitor unit in circulate, then, discharge to the outside of basket 50 via exhaust outlet 44.
According to the cooling device 40B of Fig. 6, because and the heat exchange between the battery B and heated cooling air circulates in electrical storage device C1, electrical storage device C1 reclaims the heat energy of cooling air and is heated thus.Therefore, by being medium with the cooling air, using the heat radiation of battery B and electrical storage device C1 is heated up, can suppress the ability drop that can discharge and recharge of electrical storage device C1.
And then, according to cooling device 40B,, electrical storage device C1 is heated up by electrical storage device C1 and battery B being configured to basket 50 is layered in the top of basket 52.
In detail, the heat that produces in the inside of battery unit BC1～BC6 is via basket 52 and be formed on the gap on the back side of the substrate that is equipped with capacitor unit CC1～CC5 and transport to this substrate.Capacitor unit CC1～CC5 is heated by the heat exchange with cooling air, and also is heated by the heat exchange with this substrate.Its result can make electrical storage device C1 heat up effectively.
In addition, for the cooling device 40B of Fig. 6 too, can on the composition surface of the basket 52 of battery B and the basket 50 of electrical storage device C1, use structure shown in Figure 5.Thus, can so can eliminate the temperature inequality of capacitor unit CC1～CC5, heat up equably owing to heated cooling air is supplied with capacitor unit CC1～CC5 equably with the heat exchange of battery B.
As mentioned above, according to the embodiment of the present invention 2, under low temperature environment, can use the heat energy that reclaims from battery that electrical storage device is heated up, so can suppress the decline of the charge-discharge characteristic of supply unit.
[execution mode 3]
Fig. 7 is the summary construction diagram of the cooling device in the embodiments of the present invention 3.
With reference to Fig. 7, cooling device 40C possesses: be set at the cooling fan F1 of electrical storage device C1 side, be set at the cooling fan F2 of battery B side and be used to make the cooling air runner that circulates from the cooling air of cooling fan F1, F2 supply.
Specifically, electrical storage device C1 is an outer package member with basket 50, is formed on the structure that stacked a plurality of capacitor unit CC1～CC5 are taken in basket 50 inside.A plurality of capacitor unit CC1～CC5 have same structure basically, by electric property be connected in series.On capacitor unit CC1～CC5 and below and between the basket 50 and between the stacked capacitor unit, can make the mode of cooling air circulation, be formed with gap as the cooling air runner.
Battery B is an outer package member with basket 52, and the structure of stacked a plurality of battery unit BC1～BC6 is taken in the inside that is formed on basket 52.A plurality of battery unit BC1～BC6 have same structure basically, by electric property be connected in series.On battery unit BC1～BC6 and below and between the basket 52 and between the stacked battery unit, can make the mode of cooling air circulation, be formed with gap as the cooling air runner.
Cooling fan F1 is configured on the side side of electrical storage device C1 with basket 50.At the upstream side of cooling fan F1, be provided with the air intake duct (not shown) that is used to obtain cooling air.
The opposing party side of the basket 50 of electrical storage device C1 forms open end, links with a side side of the basket 52 of the battery B of same formation open end.That is, the gap that is formed on basket 50 inside is connected with the gap that is formed on basket 52 inside, forms public cooling air runner.
Cooling fan F2 is configured on the opposing party side of basket 50 of battery B.At the upstream side of cooling fan F2, be provided with the air intake duct (not shown) that is used to obtain cooling air.
And cooling fan F1 and cooling fan F2 are by method described later, according to being driven selectively from signal V1, the V2 of control device 30.When driving cooling fan F1 selectively, the direction shown in the arrow LN1 of the cooling air that obtains from cooling fan F1 along the figure circulates in the cooling air runner.
At this moment, cooling air begins in the gap of basket 50 inside that are formed on electrical storage device C1 circulation most and with capacitor unit CC1～CC5 cooling, next, and circulation in the gap of basket 52 inside that are formed on battery B and with battery unit BC1～BC6 cooling.Be exhaust outlet and discharging with cooling fan F2 at last to the outside.
That is, when driving cooling fan F1, cooling air is supplied to the upstream side of electrical storage device C1, circulates to battery B via electrical storage device C1.Thus, battery B is by having cooled off electrical storage device C1 cooling air cooling afterwards.
On the other hand, when driving cooling fan F2 selectively, the direction shown in the arrow LN2 of the cooling air that obtains from cooling fan F2 along the figure circulates in the cooling air runner.
At this moment, cooling air begins in the gap of basket 52 inside that are formed on battery B circulation most and with battery unit BC1～BC6 cooling, next, and circulation in the gap of basket 50 inside that are formed on electrical storage device C1 and with capacitor unit CC1～CC5 cooling.Be exhaust outlet and discharging with cooling fan F1 at last to the outside.
That is, when driving cooling fan F2, cooling air is supplied to the upstream side of battery B, circulates to electrical storage device C1 via battery B.Thus, electrical storage device C1 is by having cooled off battery B cooling air cooling afterwards.
As mentioned above, according to the cooling device 40C of present embodiment, by driving cooling fan F1, the F2 be arranged in the public cooling air runner selectively, the flow direction of cooling air is switched.Cooling device 40C has increased the number of cooling fan with respect to foregoing cooling device 40, but not only makes them have the function of cooling electrical storage device C1 and battery B, also makes them have the function that cooling electrical storage device C1 and battery B are heated up.That is, cooling device 40C has constituted the temperature-adjusting device of electrical storage device C1 and battery B.
Below, the drive controlling of cooling fan F1, F2 is described.
The drive controlling of cooling fan F1, F2 is undertaken by control device 30.Control device 30 is accepted battery temperature Tb from temperature sensor 20, accepts capacitor temperature T c from temperature sensor 21, accepts the atmosphere temperature Ti of supply unit periphery from temperature sensor 22.Thereby, the cooling fan that control device 30 is driven based on these temperature informations selections.
In detail, begin most, control device 30 judges that whether atmosphere temperature Ti is than predetermined threshold value T_std height.In addition, predetermined threshold value T_std be set to for example can see battery B can input and output ability drop the time atmosphere temperature Ti.Then, control device 30 is according to this result of determination, selects the cooling fan that is driven by method described below.Thus, select to drive the cooling fan of usefulness when supply unit is normal temperature and during low temperature by diverse ways.
When (1) supply unit is the normal temperature state
Control device 30 is being judged to be atmosphere temperature Ti when higher than predetermined threshold value T_std, next, judges that whether battery temperature Tb is than capacitor temperature T c height.
At this moment, be judged to be battery temperature Tb when higher than capacitor temperature T c, control device 30 selects cooling fan F1 as the cooling fan that drives usefulness.Then, control device 30 is determined the air output V1 of cooling fan F1 based on battery temperature Tb, and generates the signal V1 of this air output V1 after determining of indication and export to cooling fan F1.
Thus, at cooling fan F1, determine the control duty command value of inverter, wherein said inverter drives inner fan motor in the mode that becomes by the air output V1 of signal V1 appointment.Then, the control duty command value after determining based on this, inverter will convert alternating electromotive force to from the direct current power of subsidiary engine battery, the drive fan motor.Its result, the cooling air of the air output V1 that obtains, supplies with to the upstream side of electrical storage device C1 from cooling fan F1 begins to cool down the electrical storage device C1 of low temperature side, the battery B of cooling down high-temperature side then most.
On the other hand, be capacitor temperature T c when following being judged to be battery temperature Tb, control device 30 selects cooling fan F2 as the cooling fan that drives usefulness.Then, control device 30 is determined the air output V2 of cooling fan F2 based on capacitor temperature T c, and generates the signal V2 of this air output V2 after determining of indication and export to cooling fan F2.
Thus, at cooling fan F2, determine the control duty command value of inverter, wherein said inverter drives inner fan motor in the mode that becomes by the air output V2 of signal V2 appointment.Then, the control duty command value after determining based on this, inverter will convert alternating electromotive force to from the direct current power of subsidiary engine battery, the drive fan motor.Its result, the cooling air of the air output V2 that obtains, supplies with to the upstream side of battery B from cooling fan F2 begins to cool down the battery B of low temperature side, the electrical storage device C1 of cooling down high-temperature side then most.
As mentioned above, when the atmosphere temperature Ti of supply unit is higher than predetermined threshold value T_std, be that supply unit is when being the normal temperature state, cooling air is circulated to the battery B of high temperature side (perhaps electrical storage device C1) from the electrical storage device C1 (perhaps battery B) of low temperature side, can use public cooling air cooling battery B and electrical storage device C1 thus.
And then, by determine the air output of cooling air based on the temperature of the battery B (perhaps electrical storage device C1) of high temperature side, can cool off both sides reliably.
When (2) supply unit is low-temperature condition
Control device 30 is predetermined threshold value T_std when following being judged to be atmosphere temperature Ti, next, judges that whether battery temperature Tb is than capacitor temperature T c height.
Then, be judged to be battery temperature Tb when higher than capacitor temperature T c, control device 30 selects cooling fan F2 as the cooling fan that drives usefulness.Then, control device 30 is determined the air output V2 of cooling fan F2 based on battery temperature Tb, and generates the signal V2 of this air output V2 after determining of indication and export to cooling fan F2.
Thus, at cooling fan F2, determine the control duty command value of inverter, wherein said inverter drives inner fan motor in the mode that becomes by the air output V2 of signal V2 appointment, and the control duty command value drive fan motor after determining based on this.Its result, the cooling air of the air output V2 that obtains, supplies with to the upstream side of battery B from cooling fan F2 via the battery B of high temperature side to the electrical storage device C1 of low temperature side circulation.
At this moment, because and battery B between heat exchange and heated cooling air circulates in electrical storage device C1.Thus, electrical storage device C1 reclaims the heat energy of cooling air and is heated.The electrostatic capacitance that constitutes the double charge layer capacitor of electrical storage device C1 has the temperature interdependency, and B is same with battery, has because the character of decrease of temperature, the ability drop that can discharge and recharge.Therefore, when electrical storage device C1 is low temperature, as medium, use the heat of battery B that electrical storage device C1 is heated up cooling air, can suppress the decline of the ability that can discharge and recharge thus.
On the other hand, be capacitor temperature T c when following being judged to be battery temperature Tb, control device 30 selects cooling fan F1 as the cooling fan that drives usefulness.Then, control device 30 is determined the air output V1 of cooling fan F1 based on capacitor temperature T c, and generates the signal V1 of this air output V1 after determining of indication and export to cooling fan F1.
Thus, at cooling fan F1, determine the control duty command value of inverter, wherein said inverter drives inner fan motor in the mode that becomes by the air output V1 of signal V1 appointment, and the control duty command value drive fan motor after determining based on this.Its result, the cooling air of the air output V1 that obtains, supplies with to the upstream side of electrical storage device C1 from cooling fan F1 via the electrical storage device C1 of high temperature side to the battery B of low temperature side circulation.
At this moment, because and electrical storage device C1 between heat exchange and heated cooling air circulates in battery B.Thus, battery B reclaims the heat energy of cooling air and is heated, and has suppressed the decline of the ability that can discharge and recharge.
As mentioned above, at the atmosphere temperature Ti of supply unit is that predetermined threshold value T_std is when following, be that supply unit is when being low-temperature condition, cooling air is circulated to the electrical storage device C1 of low temperature side (perhaps battery B) from the battery B (perhaps electrical storage device C1) of high temperature side, the electrical storage device C1 (perhaps battery B) of low temperature side is heated up.Its result can prevent the decline of the ability that can discharge and recharge of battery B under the low temperature environment and electrical storage device C1, and brings into play the combustion expense performance of original motor vehicle driven by mixed power.
Fig. 8 and Fig. 9 are the flow charts of drive controlling that is used for the cooling device 40C of key diagram 7.In addition, following drive controlling is carried out by the control device 30 of the control of taking on motor drive 100 integral body.
With reference to Fig. 8, begin most, corresponding to ignition key IG is connected (step S01), control device 30 judges that whether the atmosphere temperature Ti of supply unit is than predetermined threshold value T_std height (step S02).In step S02, be judged to be atmosphere temperature Ti when higher than predetermined threshold value T_std, promptly be in normal temperature environment following time being judged to be supply unit, next control device 30 judges that whether battery temperature Tb is than capacitor temperature T c height (step S03).
In step S03, be judged to be battery temperature Tb when higher than capacitor temperature T c, control device 30 selects cooling fan F1 to make its work as the cooling fan that drives usefulness.(step S04).Then, control device 30 is determined the air output V1 of cooling fan F1 based on battery temperature Tb, and generate this air output V1 after determining of indication signal V1 and to cooling fan F1 output (step S05).Thus, the cooling air of the air output V1 that obtains, supplies with to the upstream side of electrical storage device C1 from cooling fan F1, cools off both respectively (step S06) to the battery B of high temperature side circulation via the electrical storage device C1 of low temperature side.
On the other hand, in step S03, be capacitor temperature T c when following being judged to be battery temperature Tb, control device 30 selects cooling fan F2 to make its work as the cooling fan that drives usefulness.(step S07).Then, control device 30 is determined the air output V2 of cooling fan F2 based on capacitor temperature T c, and generate this air output V2 after determining of indication signal V2 and to cooling fan F2 output (step S08).Thus, the cooling air of the air output V2 that obtains, supplies with to the upstream side of battery B from cooling fan F2, cools off both respectively (step S09) to the electrical storage device C1 of high temperature side circulation via the battery B of low temperature side.
Next, with reference to Fig. 9, control device 30 is when being judged to be atmosphere temperature Ti predetermined threshold value T_std when following among the step S02 at Fig. 8, promptly be in low temperature environment following time being judged to be supply unit, judges that next whether battery temperature Tb is than capacitor temperature T c height (step S10).
In step S10, be judged to be battery temperature Tb when higher than capacitor temperature T c, control device 30 selects cooling fan F2 to make its work as the cooling fan that drives usefulness.(step S11).Then, control device 30 is determined the air output V2 of cooling fan F2 based on battery temperature Tb, and generate this air output V2 after determining of indication signal V2 and to cooling fan F2 output (step S12).Thus, the cooling air of the air output V2 that obtains, supplies with to the upstream side of battery B from cooling fan F2 via the battery B of high temperature side to the electrical storage device C1 circulation (step S13) of low temperature side.Its result, electrical storage device C1 is heated up by the heat energy of the heat radiation generation of battery B from the cooling air absorption.
On the other hand, in step S10, be capacitor temperature T c when following being judged to be battery temperature Tb, control device 30 selects cooling fan F1 to make its work as the cooling fan that drives usefulness.(step S14).Then, control device 30 is determined the air output V1 of cooling fan F1 based on capacitor temperature T c, and generate this air output V1 after determining of indication signal V1 and to cooling fan F1 output (step S15).Thus, the cooling air of the air output V1 that obtains, supplies with to the upstream side of electrical storage device C1 from cooling fan F1 via the electrical storage device C1 of high temperature side to the battery B circulation (step S16) of low temperature side.Its result, battery B is heated up by the heat energy of the heat radiation generation of electrical storage device C1 from the cooling air absorption.
As mentioned above, according to the embodiment of the present invention 3, can use battery and the electrical storage device of public cooling air cooling, and under low temperature environment, can use from the heat energy of a side recovery the opposing party is heated up as the electric power supply source of motor.Its result is adjusted into battery and electrical storage device in the predetermined allowable temperature scope, so can the rejection deterioration.
In addition, in above-mentioned execution mode 1～3, represented to be applied to by the power division mechanism power of engine to be cut apart the example of the connection in series-parallel type hybrid vehicle that passes to axletree and generator.But the electric automobile that the present invention also can be applied to the series-connection hybrid electric automobile or only travel by motor, wherein said series-connection hybrid electric automobile uses engine in order to drive generator, only produce the actuating force of axletree by the motor that uses the electric power that is sent by generator.In these structures, all axletree is connected with motor or generator, can reclaim the regenerated energy when slowing down and be stored in battery and capacitor in, so can use the present invention.
It all is exemplary rather than restrictive that this disclosed execution mode should be considered all aspects.Scope of the present invention also be can't help shown in the above-mentioned explanation, and by shown in the claim, original idea is to comprise and the meaning of claim equalization and all changes in the claim scope.
The present invention can be applied to have power supply and electrical storage device as to the supply unit of the electric power supply source of load supply capability and the cooling means of supply unit.

Claims (12)

1. supply unit wherein, possesses:
The 1st power supply (B), it is configured to the load supply capability, and is relatively large by the caloric value that discharges and recharges generation that accompanies with the driving of described load;
The 2nd power supply (C1), it is connected with described the 1st power supply (B) in parallel with respect to described load, and is relative less by the caloric value that discharges and recharges generation that accompanies with the driving of described load; With
Cooling device (40), it is used to cool off described the 1st power supply (B) and described the 2nd power supply (C1);
Described cooling device (40) comprises:
Coolant supply unit (F10), it is supplied with coolant to the upstream portion of described the 2nd power supply (C1); With
The coolant runner, it is formed the described coolant of being supplied with by described coolant supply unit is circulated to described the 1st power supply (B) via described the 2nd power supply (C1).
2. supply unit as claimed in claim 1, wherein:
Described the 1st power supply (B) comprises:
The 1st substrate, it is equipped with a plurality of the 1st power subsystems on the 1st first type surface; With
The 1st basket (52), it takes in described the 1st substrate, is provided with to be used for the described coolant that will circulate at described coolant runner to outside the 1st access of discharging of described supply unit;
Described the 2nd power supply (C1) comprises:
The 2nd substrate, it is equipped with a plurality of the 2nd power subsystems on the 1st first type surface; With
The 2nd basket (50), it takes in described the 2nd substrate, is provided with the 2nd access that is used for described coolant is imported from described coolant supply unit (F10) described coolant runner;
Described the 1st access and described the 2nd access are linking to each other by the mode that the 3rd access is communicated with;
Described the 2nd basket (50) is configured to, and contacts with described the 1st basket (52) carrying out heat conducting mode with the 2nd first type surface of described the 1st substrate.
3. supply unit as claimed in claim 2, wherein:
Described the 3rd access comprises a plurality of ventilation holes (56) on the composition surface that is formed on described the 1st basket (52) and described the 2nd basket (50);
Described a plurality of ventilation hole (56) is formed, along with and described coolant supply unit (F10) between distance elongated, it is big that aperture area becomes.
4. supply unit, this supply unit possesses:
The 1st power supply (B), it is configured to the load supply capability, and is relatively large by the caloric value that discharges and recharges generation that accompanies with the driving of described load;
The 2nd power supply (C1), it is connected with described the 1st power supply (B) in parallel with respect to described load, and is relative less by the caloric value that discharges and recharges generation that accompanies with the driving of described load; With
Temperature adjustment device (40B), it carries out the temperature adjustment of described the 1st power supply (B) and described the 2nd power supply (C1);
Described temperature adjustment device (40B) comprises:
Coolant supply unit (F10), it is supplied with coolant to the upstream portion of described the 1st power supply (B); With
The coolant runner, it is formed the described coolant of supplying with from described coolant supply unit (F10) is circulated to described the 2nd power supply (C1) via described the 1st power supply (B).
5. supply unit as claimed in claim 4, wherein:
Described the 1st power supply (B) comprises:
The 1st substrate, it is equipped with a plurality of the 1st power subsystems on the 1st first type surface; With
The 1st basket (52), it takes in described the 1st substrate, is provided with the 1st access that is used for described coolant is imported from described coolant supply unit (F10) described coolant runner;
Described the 2nd power supply (C1) comprises:
The 2nd substrate, it is equipped with a plurality of the 2nd power subsystems on the 1st first type surface; With
The 2nd basket (50), it takes in described the 2nd substrate, is provided with to be used for the described coolant that will circulate at described coolant runner to outside the 2nd access of discharging of described supply unit;
Described the 1st access and described the 2nd access are linking to each other by the mode that the 3rd access is communicated with;
Described the 1st basket (52) is configured to, and contacts with described the 2nd basket (50) carrying out heat conducting mode with the 2nd first type surface of described the 2nd substrate.
6. supply unit as claimed in claim 5, wherein:
Described the 3rd access comprises a plurality of ventilation holes (56) on the composition surface that is formed on described the 1st basket (52) and described the 2nd basket (50);
Described a plurality of ventilation hole (56) is formed, along with and described coolant supply unit (F10) between distance elongated, it is big that aperture area becomes.
7. supply unit, this supply unit possesses:
The 1st power supply (B), it is configured to the load supply capability;
The 2nd power supply (C1), it is connected with described the 1st power supply in parallel with respect to described load; With
Temperature adjustment device (40C), it carries out the temperature adjustment of described the 1st power supply (B) and described the 2nd power supply (C1);
Described temperature adjustment device (40C) comprises:
The coolant runner, it is formed described the 1st power supply (B) and in series disposes with the circulating direction of described the 2nd power supply (C1) along coolant;
The 1st coolant supply unit (F1), it is set at a square end of described the 2nd power supply (C1) side of described coolant runner, supplies with described coolant to the upstream portion of described the 2nd power supply (C1);
The 2nd coolant supply unit (F2), it is set at another square end of described the 1st power supply (B) side of described coolant runner, supplies with described coolant to the upstream portion of described the 1st power supply (B); With
Selected cell, the temperature of the temperature of its atmosphere temperature based on described supply unit, described power supply (B) and described electrical storage device (C1) optionally makes any one party work in described the 1st coolant supply unit (F1) and described the 2nd coolant supply unit (F2).
8. supply unit as claimed in claim 7, wherein: described selected cell, when the atmosphere temperature of described supply unit is higher than predetermined threshold value, corresponding with the situation that the temperature of described the 1st power supply (B) is higher than the temperature of described the 2nd power supply (C1), select described the 1st coolant supply unit (F1), on the other hand, corresponding with the situation that the temperature of described the 2nd power supply (C1) is higher than the temperature of described the 1st power supply (B), select described the 2nd coolant supply unit (F2).
9. supply unit as claimed in claim 8, wherein: described selected cell, at the atmosphere temperature of described supply unit is that predetermined threshold value is when following, corresponding with the situation that the temperature of described the 1st power supply (B) is higher than the temperature of described the 2nd power supply (C1), select described the 2nd coolant supply unit (F2), on the other hand, corresponding with the situation that the temperature of described the 2nd power supply (C1) is higher than the temperature of described the 1st power supply (B), select described the 1st coolant supply unit (F1).
10. supply unit as claimed in claim 9, wherein:
Also possess control unit, it controls the quantity delivered to described coolant runner of described coolant;
Described control unit, when the temperature of described the 1st power supply (B) is higher than the temperature of described the 2nd power supply (C1), determine the quantity delivered of described coolant based on the temperature of described the 1st power supply (B), and, when the temperature of described the 2nd power supply (C1) is higher than the temperature of described the 1st power supply (B), determine the quantity delivered of described coolant based on the temperature of described the 2nd power supply (C1).
11. as any described supply unit of claim 1 to the claim 10, wherein: described the 1st power supply (B) is a secondary cell, described the 2nd power supply (C1) is a capacitor.
12. as any described supply unit of claim 1 to the claim 10, wherein:
Described load is the motor that vehicle traction is used;
Described supply unit is carried on vehicle as the electric power supply source of described motor.
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EP2302726B1 (en) 2012-12-26
EP2026404A1 (en) 2009-02-18
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JP5034316B2 (en) 2012-09-26
WO2007135934A1 (en) 2007-11-29
US20090141447A1 (en) 2009-06-04
CN101449419B (en) 2011-07-27
CA2651139A1 (en) 2007-11-29
EP2026404B1 (en) 2011-08-17
US7924562B2 (en) 2011-04-12
CA2760498C (en) 2014-04-22
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WO2007135934A9 (en) 2008-10-02
BRPI0712257B1 (en) 2018-07-10
CA2760498A1 (en) 2007-11-29
BRPI0712257A2 (en) 2012-01-17
EP2302726A1 (en) 2011-03-30
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EP2026404A4 (en) 2009-11-11
KR20090017615A (en) 2009-02-18

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